WO2021236720A1 - Capteur de turbidité à angle solide étendu - Google Patents
Capteur de turbidité à angle solide étendu Download PDFInfo
- Publication number
- WO2021236720A1 WO2021236720A1 PCT/US2021/033083 US2021033083W WO2021236720A1 WO 2021236720 A1 WO2021236720 A1 WO 2021236720A1 US 2021033083 W US2021033083 W US 2021033083W WO 2021236720 A1 WO2021236720 A1 WO 2021236720A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sensor array
- linear
- array
- turbidity
- linear sensor
- Prior art date
Links
- 239000007787 solid Substances 0.000 title description 9
- 230000011664 signaling Effects 0.000 claims abstract description 38
- 230000003287 optical effect Effects 0.000 claims abstract description 37
- 238000012545 processing Methods 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 230000005855 radiation Effects 0.000 description 13
- 238000005259 measurement Methods 0.000 description 10
- 230000005284 excitation Effects 0.000 description 9
- 238000012937 correction Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 238000003491 array Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001506 fluorescence spectroscopy Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
- G01N21/6456—Spatial resolved fluorescence measurements; Imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/075—Investigating concentration of particle suspensions by optical means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4785—Standardising light scatter apparatus; Standards therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/532—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/82—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a precipitate or turbidity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
- G01N33/08—Eggs, e.g. by candling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
- H04N25/46—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by combining or binning pixels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N2021/4704—Angular selective
- G01N2021/4709—Backscatter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
- G01N2021/6439—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" with indicators, stains, dyes, tags, labels, marks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/645—Specially adapted constructive features of fluorimeters
- G01N2021/6463—Optics
- G01N2021/6473—In-line geometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N2021/6491—Measuring fluorescence and transmission; Correcting inner filter effect
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/061—Sources
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/063—Illuminating optical parts
- G01N2201/0633—Directed, collimated illumination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
- G01N2201/063—Illuminating optical parts
- G01N2201/0636—Reflectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/12—Circuits of general importance; Signal processing
- G01N2201/126—Microprocessor processing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/12—Circuits of general importance; Signal processing
- G01N2201/127—Calibration; base line adjustment; drift compensation
- G01N2201/12746—Calibration values determination
- G01N2201/12761—Precalibration, e.g. for a given series of reagents
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/12—Circuits of general importance; Signal processing
- G01N2201/127—Calibration; base line adjustment; drift compensation
- G01N2201/12792—Compensating own radiation in apparatus
Definitions
- This invention relates to a sensor for measuring the quality of water; and more particularly, to a turbidity sensor for measuring the quality of water.
- turbidity sensing techniques suffer from poor sensitivity (especially field-deployable sensors) stemming from poor/inefficient capture of scattered signal (solid angle).
- Existing turbidity sensors typically employ a single excitation light source and a single, or point-like emission receiver, utilizing a photosensitive element. Regardless of the particular photosensitive element or excitation light source used, the current turbidity sensors known in the art are not opto-mechanically configured for efficient capture of solid angle resulting in compromised limit of detection for turbidity.
- the difficulty with measuring scattering-based signals is the spatial/directional nature of randomly scattered optical radiation.
- the spatial distribution of scattered radiation of a single turbid particle is well approximated by a sphere, resulting in 4p [steradians] solid angle of scattered radiation (See Fig. 1).
- To optimally capture such a turbidity signal would require a photosensitive area that closely matches the radiation pattern, i.e., a photosensitive area in the shape of a spherical shell. See Fig. 1 . In view of this, there is a need in the art for a better turbidity sensor.
- the turbidity measurement system includes a sample assembly that contains a plurality of samples, a light source that illuminates the sample assembly, and a light detection system that includes a two-dimensional light-sensitive array.
- the light-sensitive array is simultaneously exposed to light transmitted through each of the samples in the sample assembly.
- the exposure is analyzed to determine a mean transmitted light intensity for each sample and to calculate a turbidity value for each sample based on its mean transmitted light intensity.
- Multiple exposures may be taken during a measurement period so as to obtain time-resolved turbidity measurements of the samples.
- the temperature of the samples may be varied during the measurement period so as to measure turbidity as a function of temperature.
- the present invention aims to greatly enhance the captured solid angle thereby significantly enhancing the sensitivity of turbidity measurements.
- the sensor under consideration incorporates (insofar that is practicable in a field-rugged sensor) many of the features exhibited in the idealized long-cylinder geometry.
- the present invention employs a linear photodiode array (the proposed approach is not limited to photodiode technology, e.g., a linear CCD or CMOS array could be used as well).
- the linear array allows ample room for biofouling counter measures such as motorized wiping.
- linear sensor arrays are currently available as relatively inexpensive commercial-of-the-shelf (COTS) components.
- COTS commercial-of-the-shelf
- the key to this invention pertains specifically to the opto-mechanical configuration which utilizes a wide, linear array along the length of the quasi- collimated light source for enhanced signal capture. Additionally, the design allows for the capture of back scattered radiation — all in a single embodiment
- the present design is compatible with non-intensity-based determinations of turbidity. These measurements are spatially dependent, the main idea being that an optical signal will undergo an attenuation across the linear array, following Beer’s law, thereby creating a “spatial gradient”. This spatial gradient contains information regarding the concentration of the turbidity.
- the non-intensity-based measurement is immune to “drift” of the excitation source.
- the spatial gradient is unaffected by moderate changes in the intensity of the excitation source, e.g., LED intensity degradation through the course of use, or a change in optical power due to thermal effects.
- the “spatial gradient” method according to the present invention enables real time, inner filter effect (IFE) correction, which greatly enhances high-concentration sensing range. .
- IFE inner filter effect
- a known technique of inner filter correction involves post processing via lab analysis after a field deployment.
- the “spatial gradient” method according to the present invention also allows for certain types of interference correction not achievable with amplitude- based techniques known in the art.
- the above “spatial gradient” method requires that each optical element in the array be individually addressable.
- there is a possible variant of the design that involves connecting all of the linear array elements in a parallel configuration which would preclude the possibility of individual addressability.
- such a design variant could be modified to include a transmission photodiode (located at the end of the array, opposite of the source) which would restore the sensor’s ability to perform drift correction and IFE correction.
- the present invention may include, or take the form of, apparatus featuring a signal processor or processing module configured to: receive signaling containing information about light reflected off suspended matter in a liquid and sensed by a linear sensor array having rows and columns of optical elements; and determine corresponding signaling containing information about a concentration of parameter of the liquid, based upon the signaling received
- the apparatus may include one or more of the following additional features:
- the parameter may include turbidity of the liquid.
- the apparatus may include the linear sensor array.
- the linear sensor array may include a linear photodiode array.
- the linear sensor array may include a linear CCD array.
- the linear sensor array may include a linear CMOS array.
- the linear sensor array may include a closed cylinder sensor array having a three-dimensional cylindrical array of the rows and columns of the optical elements.
- the apparatus may be a turbidity sensor.
- the apparatus may include a quasi-collimated light source having a length and being configured to provide the light, including quasi-collimated light, along a corresponding length of the linear sensor array.
- the signal processor or processing module may be configured to determine the parameter based upon an attenuation of an optical signal sensed across the linear sensor array.
- the linear sensor array may include a two-dimensional array of optical elements that are individually addressable.
- the signal processor or processing module may be configured to determine the turbidity based upon a spatial gradient of an optical signal sensed across the linear sensor array that contains information about the concentration of the turbidity.
- the optical elements may be individually addressable by the signal processor or processing module.
- Either the rows or the columns of the optical elements may be connected in parallel and addressable by the signal processor or processing module; the apparatus may include a transmission photodiode located at an end of the linear sensor array, opposite the light source, configured to respond to the light reflected off the suspended matter and provide transmission photodiode signaling containing information about the same; and the signal processor or processing module may be configured to receive the photodiode signaling and correct the corresponding signaling for drift or the inner filter effect.
- the present invention may include a turbidity sensor featuring a quasi-collimated light source, a linear sensor array and a signal processor or processing module.
- the quasi-collimated light source has a length and may be configured to provide quasi-collimated light to a liquid sample.
- the linear sensor array may include rows and columns of optical elements and be configured to sense light reflected off suspended matter in the liquid sample along the length of the quasi-collimated light source and provide signaling containing information about the light reflected off the suspended matter.
- the signal processor or processing module may be configured to: receive the signaling; and determine corresponding signaling containing information about a concentration of turbidity of the liquid, based upon the signaling received
- the turbidity sensor may also include one or more of the features set forth above.
- the present invention may include a method, featuring: receiving, with a signal processor or processing module, signaling containing information about light reflected off suspended matter in a liquid and sensed by a linear sensor array having rows and columns of optical elements; and determining, with the signal processor or processing module, corresponding signaling containing information about a concentration of a parameter of the liquid, based upon the signaling received
- the method may also include one or more of the features set forth above.
- Computer-readable Storage Medium According to some embodiments of the present invention, the present invention may also take the form of a computer-readable storage medium having computer-executable components for performing the steps of the aforementioned method.
- the computer-readable storage medium may also include one or more of the features set forth above.
- the present invention offers distinct advantages over the current known techniques in the prior art, as follows:
- a linear sensor array provides a much larger overall active area to capture scattered rays. More importantly, the active area is larger in the dimension that matters most, along the direction of the quasi-collimated excitation source. Additionally, a wider linear array is preferred over a thin one for reasons stated above, increased active area. However, there is a limit of diminishing return regarding the width, i.e., an array width that does not roughly match the diameter of the excitation beam appears non-ideal.
- the present invention enables measurement of backscattered radiation (in addition to the radially emitted side scatter) - all in a single sensing embodiment.
- Figure 1 is a diagram of a spatial distribution of scattered radiation of a single turbid particle that is approximated by a sphere, resulting in 4p [steradians] solid angle of scattered radiation that is known in the art.
- Figure 2A is a block diagram of apparatus, including a turbidity sensor, according to some embodiments of the present invention.
- Figure 2B is a block diagram of a linear sensor array having rows and columns of optical elements, according to some embodiments of the present invention.
- Figure 3 is a three dimension perspective view of a quasi-collimated light source that provides a quasi-collimated light in relation to a linear sensor array, according to some embodiments of the present invention.
- Figure 4 is a side view of that shown in Figure 3 showing captured backscatter radiation by the linear sensor array, according to some embodiments of the present invention.
- Figure 5 is a graph of relative sensor response versus relative concentration, e.g., showing a sensitivity comparison of the assignee's contemporary EXO turbidity sensor (solid line with dots) vs. the linear array turbidity sensor (solid line). Note that the graph shows simulated data based on a physical model of the design according to the present invention.
- Figure 6A is an isometric view showing of a three-dimensional rendering of solid angle capture for an idealized long-cylinder shell geometry, e.g., such as a 3-D cylindrical linear sensor array, according to the present invention.
- Figure 6B is a cross-sectional view showing of the idealized long-cylinder shell geometry, e.g., such as the 3-D cylindrical linear sensor array.
- FIG. 2 shows apparatus 10, including a turbidity sensor, according to the present invention having a quasi-collimated light source 20, a linear sensor array 30, and a signal processor or processing module 40.
- the signal processor or processing module 40 may be configured to receive signaling containing information about light Lr reflected off suspended matter in a liquid and sensed by the linear sensor array 30 having rows and columns of optical elements (r1 , d ; r1 , c2; r1 , c3; r1 , c4; r1 , c5; r1 , c6; r1 , c7; r1 , c8; r1 , cn; r2, d ; r2, c2; r2, c3; r2, c4; r2, c5; r2, c6; r2, c7; r2, c8; r2, cn; r3, d ; r3, c2; r3, c3; r3, c4; r3, c5; r3, c6; r3, c7; r3, c8; r3, cn;
- the parameter may include the concentration of turbidity in the liquid
- the apparatus may be, or take the form of, a turbidity sensor.
- the scope of the invention is not intended to be limited to any particular type or kind of parameter being sensed in a liquid either now known or later developed in the future.
- the Linear Sensor Array 30 may include the linear sensor array 30, e.g., such as a linear photodiode array, a linear charge-coupled device (CCD) array, a linear CMOS array.
- the linear sensor array 30 may include a two- dimensional array of rows and columns of optical elements, e.g., like that shown in Figure 2B, that are individually addressable. Linear sensor arrays are known in the art, and the scope of the invention is not intended to be limited to any particular type or kind thereof either now known or later developed in the future.
- linear sensors arrays are disclosed in the following US Patent nos. 9,020,202; 8,022,349; 7,956,341 ; 7,040,538; 5,252,818; and 4,193,057, which are all hereby incorporated by reference.
- the apparatus 10 may include the source 20 configured to provide the light Lc, including quasi-collimated light, along a corresponding length of the linear sensor array 30, e.g., as shown in Figures 2 and 3, e.g., through a liquid sample arranged in relation to the light source 20 and the linear sensor array 30 so as to reflect the light Lr off suspended matter in the liquid sample being monitored or tested onto the linear sensor array 30.
- the light Lr may be reflected radially (Fig. 3) and backwards (Fig. 4), i.e., backscattered reflected light or radiation.
- FIG. 4 shows captured backscatter radiation by the linear sensor array 30, where backscattered radiation is understood to be light reflected of the suspended matter in the liquid sample that travels backwards, consistent with that shown.
- the Signal Processor or Processing Module 40 may be configured to determine the parameter, including turbidity, based upon an attenuation of an optical signal sensed across the linear sensor array, including its length and width.
- Techniques for sensing the attenuation of the optical signal e.g., in relation to the concentration of turbidity in the liquid, are known in the art, and the scope of the invention is not intended to be limited to any particular type or kind thereof either now known or later developed in the future.
- the signal processor or processing module 40 may be configured to determine the concentration of turbidity based upon a spatial gradient of the optical signal sensed across the linear sensor array.
- concentration of turbidity based upon a spatial gradient of the optical signal sensed across the linear sensor array.
- techniques for determining the concentration of turbidity in a liquid based upon a spatial gradient of an optical signal are known in the art, e.g., consistent with that set forth herein re PCT/US2008/059575, which is hereby incorporated by reference in its entirety, and the scope of the invention is not intended to be limited to any particular type or kind of technique either now known or later developed in the future.
- either the rows or the columns of the optical elements may be connected in parallel and addressable by the signal processor or processing module 40; the apparatus 10 may include a transmission photodiode 30a located at an end of the linear sensor array 30, opposite the light source 20, configured to respond to the light L reflected off the suspended matter and provide transmission photodiode signaling containing information about the same; and the signal processor or processing module 40 may be configured to receive the photodiode signaling and correct the corresponding signaling for drift or the inner filter effect.
- the functionality of the signal processor or processing module 40 may be implemented using hardware, software, firmware, or a combination thereof.
- the signal processor 40 would include one or more microprocessor-based architectures having, e. g., at least one signal processor or microprocessor.
- One skilled in the art would be able to program with suitable program code such a microcontroller-based, or microprocessor-based, implementation to perform the signal processing functionality disclosed herein without undue experimentation.
- the apparatus 10 may also include, e.g., other signal processor circuits or components generally indicated 50, including random access memory or memory module (RAM) and/or read only memory (ROM), input/output devices and control, and data and address buses connecting the same, and/or at least one input processor and at least one output processor, e.g., which would be appreciate by one skilled in the art.
- RAM random access memory or memory module
- ROM read only memory
- the signal processor may include, or take the form of, some combination of a signal processor and at least one memory including a computer program code, where the signal processor and at least one memory are configured to cause the system to implement the functionality of the present invention, e.g., to respond to signaling received and to determine the corresponding signaling, based upon the signaling received.
- Figure 6A and 6B The 3D Cylindrical Linear Sensor Array 60
- the apparatus 10 may include a closed cylinder sensor array 60 having a three-dimensional cylindrical array of the rows and columns of the optical elements and a length L, e.g., as shown in Figure 6A.
- the 3-D cylindrical linear sensor array 32 configured to capture light reflected off the suspended matter in the liquid along its length L and 360 degrees radially about its longitudinal axis.
- IFE Inner Filter Effect
- the IFE is a fluorescence spectroscopy phenomenon, e.g., where there is a decrease in fluorescence emission seen in concentrated solutions due to the absorption of exciting light by the fluorophore that is close to the incident beam and which significantly diminishes light that reaches the sample further away from it.
- techniques for correcting for the IFE are known in the art, and the scope of the invention is not intended to be limited to any particular type or kind thereof either now known or later developed in the future.
- the present invention has applications, e.g., in the basic parameter of water quality monitoring for freshwater applications (e.g., where turbidity is one of the “big five”), as well as drinking water monitoring.
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Centrifugal Separators (AREA)
- Geophysics And Detection Of Objects (AREA)
- Vehicle Body Suspensions (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Molecular Biology (AREA)
- Optics & Photonics (AREA)
Abstract
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2022571196A JP7451767B2 (ja) | 2020-05-20 | 2021-05-19 | 拡張した立体角の濁度センサ |
BR112022023418A BR112022023418A2 (pt) | 2020-05-20 | 2021-05-19 | Sensor de turbidez de ângulo sólido estendido |
AU2021276375A AU2021276375B2 (en) | 2020-05-20 | 2021-05-19 | Extended solid angle turbidity sensor |
CN202180036389.3A CN115667886A (zh) | 2020-05-20 | 2021-05-19 | 扩展式立体角浊度传感器 |
CA3178563A CA3178563C (fr) | 2020-05-20 | 2021-05-19 | Capteur de turbidite a angle solide etendu |
KR1020227040421A KR20230011951A (ko) | 2020-05-20 | 2021-05-19 | 확장된 입체각 탁도 센서 |
EP21807774.1A EP4153970A1 (fr) | 2020-05-20 | 2021-05-19 | Capteur de turbidité à angle solide étendu |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202063027587P | 2020-05-20 | 2020-05-20 | |
US63/027,587 | 2020-05-20 | ||
US202063028013P | 2020-05-21 | 2020-05-21 | |
US63/028,013 | 2020-05-21 | ||
US202063028723P | 2020-05-22 | 2020-05-22 | |
US63/028,723 | 2020-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021236720A1 true WO2021236720A1 (fr) | 2021-11-25 |
Family
ID=78608840
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2021/033090 WO2021236726A1 (fr) | 2020-05-20 | 2021-05-19 | Fluorimètre à balayage en fréquence |
PCT/US2021/033100 WO2021236735A1 (fr) | 2020-05-20 | 2021-05-19 | Fluorimètre à gradient spatial |
PCT/US2021/033083 WO2021236720A1 (fr) | 2020-05-20 | 2021-05-19 | Capteur de turbidité à angle solide étendu |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2021/033090 WO2021236726A1 (fr) | 2020-05-20 | 2021-05-19 | Fluorimètre à balayage en fréquence |
PCT/US2021/033100 WO2021236735A1 (fr) | 2020-05-20 | 2021-05-19 | Fluorimètre à gradient spatial |
Country Status (9)
Country | Link |
---|---|
US (3) | US11860096B2 (fr) |
EP (3) | EP4153970A1 (fr) |
JP (3) | JP2023527783A (fr) |
KR (3) | KR20230011951A (fr) |
CN (3) | CN115667886A (fr) |
AU (2) | AU2021276375B2 (fr) |
BR (2) | BR112022023420A2 (fr) |
CA (2) | CA3178563C (fr) |
WO (3) | WO2021236726A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2021276375B2 (en) * | 2020-05-20 | 2023-11-02 | Ysi, Inc. | Extended solid angle turbidity sensor |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050219526A1 (en) * | 2003-01-17 | 2005-10-06 | Hong Peng | Method and apparatus for monitoring biological substance |
US20090230288A1 (en) * | 2006-11-04 | 2009-09-17 | Leopold Kostal Gmbh & Co. Kg | Method for the operation of a photoelectric sensor array |
US20170241893A1 (en) * | 2016-02-19 | 2017-08-24 | Research Triangle Institute | Devices, systems and methods for detecting particles |
US20180251713A1 (en) * | 2017-03-01 | 2018-09-06 | Fluidion Sas | Field-deployable Multiplexed Sampling and Monitoring Device and Bacterial Contamination Measurement Method |
Family Cites Families (106)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4160914A (en) * | 1977-12-16 | 1979-07-10 | Monitek, Inc. | Apparatus for measuring of particulate scattering in fluids |
US4193057A (en) | 1978-03-20 | 1980-03-11 | Bunker Ramo Corporation | Automatic deployment of horizontal linear sensor array |
WO1990009637A1 (fr) * | 1989-02-13 | 1990-08-23 | Research Corporation Technologies, Inc. | Procede et dispositif de saisie en parallele de frequences en fluorimetrie frequentielle |
US5059811A (en) * | 1990-08-30 | 1991-10-22 | Great Lakes Instruments, Inc. | Turbidimeter having a baffle assembly for removing entrained gas |
US5252818A (en) | 1991-08-22 | 1993-10-12 | Vision Ten, Inc. | Method and apparatus for improved scanner accuracy using a linear sensor array |
US5436476A (en) * | 1993-04-14 | 1995-07-25 | Texas Instruments Incorporated | CCD image sensor with active transistor pixel |
PT101290B (pt) | 1993-06-18 | 2000-10-31 | Fernandes Jose Guilherme Da Cu | Fluorometro para medicao da concentracao de fluoroforos de localizacao ocular |
US5486693A (en) | 1994-02-17 | 1996-01-23 | Thermedics Detection Inc. | Detection of turbid contaminants in containers by detecting scattered radiant energy |
US6710879B1 (en) * | 1997-05-05 | 2004-03-23 | Chemometec A/S | Method and a system for determination of particles in a liquid sample |
ZA984976B (en) | 1997-06-11 | 1999-04-19 | Nalco Chemical Co | Solid-state fluorometer and methods of use therefore |
US6070093A (en) * | 1997-12-02 | 2000-05-30 | Abbott Laboratories | Multiplex sensor and method of use |
KR20010040510A (ko) * | 1998-02-02 | 2001-05-15 | 유니액스 코포레이션 | 전환가능한 감광성을 가진 유기 다이오드 |
WO1999058953A1 (fr) | 1998-05-08 | 1999-11-18 | Sequoia Scientific, Inc. | Dispositif de mesure du volume et de la granulometrie moyenne de particules dans l'eau |
AU1429401A (en) | 1999-07-02 | 2001-02-05 | Conceptual Mindworks, Inc. | Organic semiconductor recognition complex and system |
US6852986B1 (en) | 1999-11-12 | 2005-02-08 | E. I. Du Pont De Nemours And Company | Fluorometer with low heat-generating light source |
US7875442B2 (en) * | 2000-03-24 | 2011-01-25 | Eppendorf Array Technologies | Identification and quantification of a plurality of biological (micro)organisms or their components |
US6573991B1 (en) * | 2000-04-26 | 2003-06-03 | Martin Paul Debreczeny | Self-compensating radiation sensor with wide dynamic range |
US6369894B1 (en) | 2000-05-01 | 2002-04-09 | Nalco Chemical Company | Modular fluorometer |
WO2002068932A2 (fr) | 2001-02-23 | 2002-09-06 | Genicon Sciences Corporation | Procedes permettant d'etendre l'echelle dynamique dans des dosages d'analytes |
US7046347B1 (en) * | 2001-03-30 | 2006-05-16 | Amend John R | Instrument with colorimeter and sensor inputs for interfacing with a computer |
US7183050B2 (en) | 2001-04-18 | 2007-02-27 | Krull Ulrich J | Gradient resolved information platform |
FR2824139B1 (fr) * | 2001-04-27 | 2003-05-30 | Commissariat Energie Atomique | Dispositif de mesure de luminescence a elimintation d'effet de prefiltre |
US6929730B2 (en) | 2001-05-01 | 2005-08-16 | Cheng Sheng Lee | Two dimensional microfluidic gene scanner |
KR20040018378A (ko) * | 2001-05-23 | 2004-03-03 | 하크 컴퍼니 | 렌즈 튜브를 구비한 광학 탁도계 |
WO2003002959A1 (fr) | 2001-06-15 | 2003-01-09 | Mj Research, Inc. | Dispositif de commande d'un fluorometre |
US6670617B2 (en) | 2001-06-28 | 2003-12-30 | Ondeo Nalco Company | Mirror fluorometer |
DK2423673T3 (da) * | 2001-06-29 | 2020-09-07 | Meso Scale Technologies Llc | Indretning til måling af luminescens fra en flerbrønds-assayplade med en flerhed af brønde, fremgangsmåde til måling af luminescens med anvendelse af indretningen og system omfattende indretningen |
US6811085B2 (en) | 2001-10-26 | 2004-11-02 | Symbol Technologies, Inc. | Miniature imager |
US6842243B2 (en) * | 2001-12-10 | 2005-01-11 | Apprise Technologies, Inc. | Turbidity sensor |
US6894778B2 (en) | 2002-04-23 | 2005-05-17 | Hach Company | Low detection limit turbidimeter |
US7095500B2 (en) | 2004-01-30 | 2006-08-22 | Nalco Company | Interchangeable tip-open cell fluorometer |
JP2008522160A (ja) | 2004-11-24 | 2008-06-26 | アイデックス ラボラトリーズ インコーポレイテッド | 化学分析装置において使用する反射率計および関連の光源 |
US20070128658A1 (en) * | 2005-11-14 | 2007-06-07 | Blackwell Helen E | Fluorescent dyes, methods and uses thereof |
US20160121009A1 (en) * | 2006-02-06 | 2016-05-05 | Woods Hole Oceanographic Institution | Optical Communication Systems and Methods |
US7505132B2 (en) * | 2006-03-23 | 2009-03-17 | Hach Company | Self calibrating measurement system |
US7528951B2 (en) * | 2006-03-23 | 2009-05-05 | Hach Company | Optical design of a measurement system having multiple sensor or multiple light source paths |
US7786457B2 (en) | 2006-06-28 | 2010-08-31 | Alcon, Inc. | Systems and methods of non-invasive level sensing for a surgical cassette |
US7580128B2 (en) * | 2006-11-01 | 2009-08-25 | Finesse Solutions, Llc. | Linear optical loss probe |
JP5286599B2 (ja) | 2007-02-23 | 2013-09-11 | サーモ ニトン アナライザーズ リミテッド ライアビリティ カンパニー | 線形センサアレイによる高速かつ正確な時間分解分光法 |
US7599055B2 (en) * | 2007-02-27 | 2009-10-06 | Corning Incorporated | Swept wavelength imaging optical interrogation system and method for using same |
EP2171396B1 (fr) * | 2007-07-12 | 2020-05-13 | Volcano Corporation | Appareil et procédés permettant la synchronisation d'échantillons de fréquence uniforme |
WO2009017721A2 (fr) | 2007-07-28 | 2009-02-05 | Buglab Llc | Capteur de particules avec large plage linéaire |
US7920252B2 (en) | 2007-10-19 | 2011-04-05 | Xin Hua Hu | Method and apparatus for spectrophotometric characterization of turbid materials |
KR100903133B1 (ko) | 2007-12-17 | 2009-06-16 | 한국전자통신연구원 | 광공동을 이용한 고감도 혼탁도 센서 및 센싱 방법 |
US8119998B2 (en) * | 2008-01-04 | 2012-02-21 | Pion, Inc. | Methods and systems for in situ physicochemical property testing |
US7738101B2 (en) * | 2008-07-08 | 2010-06-15 | Rashid Mavliev | Systems and methods for in-line monitoring of particles in opaque flows |
EP2194381B1 (fr) * | 2008-12-03 | 2015-12-02 | Roche Diagnostics GmbH | Elément de test doté d'une zone de contrôle et de calibrage combinée |
US8654319B2 (en) | 2009-01-23 | 2014-02-18 | University Of Maryland, Baltimore County | Chlorophyll and turbidity sensor system |
US8463083B2 (en) * | 2009-01-30 | 2013-06-11 | Claudio Oliveira Egalon | Side illuminated multi point multi parameter optical fiber sensor |
US8211708B2 (en) * | 2009-03-13 | 2012-07-03 | Furukawa Electric Co., Ltd. | Optical measuring device and method therefor |
GB0906986D0 (en) * | 2009-04-23 | 2009-06-03 | Avacta Ltd | Apparatus and method |
CN101581668B (zh) * | 2009-06-04 | 2010-11-17 | 山东大学 | 消除荧光测定中内滤效应的新装置及测试新方法 |
US20100321046A1 (en) * | 2009-06-17 | 2010-12-23 | Ysi Incorporated | Wipeable conductivity probe and method of making same |
DE102009027929B4 (de) * | 2009-07-22 | 2021-05-12 | Endress+Hauser Conducta Gmbh+Co. Kg | Trübungsmessgerät und ein Verfahren zur Bestimmung einer Konzentration eines Trübstoffs |
US8486709B2 (en) * | 2009-08-21 | 2013-07-16 | Massachusetts Institute Oftechnology | Optical nanosensors comprising photoluminescent nanostructures |
US8526472B2 (en) * | 2009-09-03 | 2013-09-03 | Axsun Technologies, Inc. | ASE swept source with self-tracking filter for OCT medical imaging |
US8625104B2 (en) * | 2009-10-23 | 2014-01-07 | Bioptigen, Inc. | Systems for comprehensive fourier domain optical coherence tomography (FDOCT) and related methods |
US8420996B2 (en) * | 2009-12-23 | 2013-04-16 | Nokia Corporation | Intensity estimation using binary sensor array with spatially varying thresholds |
WO2011103562A1 (fr) * | 2010-02-22 | 2011-08-25 | University Of Houston | Formation de nanomotifs de particules neutres pour sondes neurales multimode non planes |
US8721858B2 (en) | 2010-03-12 | 2014-05-13 | The Board Of Trustees Of The Leland Stanford Junior University | Non-focusing tracers for indirect detection in electrophoretic displacement techniques |
US8488122B2 (en) * | 2010-05-05 | 2013-07-16 | Ysi Incorporated | Turbidity sensors and probes |
US8717562B2 (en) * | 2010-08-23 | 2014-05-06 | Scattering Solutions, Inc. | Dynamic and depolarized dynamic light scattering colloid analyzer |
JP2012060912A (ja) * | 2010-09-15 | 2012-03-29 | Sony Corp | 核酸増幅反応装置、核酸増幅反応装置に用いる基板、及び核酸増幅反応方法 |
WO2012054783A2 (fr) * | 2010-10-21 | 2012-04-26 | Nexcelom Bioscience Llc | Billes de référence et de focalisation internes utilisées dans la cytométrie en image |
JP2012118055A (ja) * | 2010-11-12 | 2012-06-21 | Sony Corp | 反応処理装置及び反応処理方法 |
CA2823703C (fr) | 2011-01-17 | 2019-04-02 | Biosynergetics, Inc. | Debitmetre en ligne |
US20120287435A1 (en) * | 2011-05-12 | 2012-11-15 | Jmar Llc | Automatic dilution for multiple angle light scattering (mals) instrument |
TWI708052B (zh) * | 2011-08-29 | 2020-10-21 | 美商安美基公司 | 用於非破壞性檢測-流體中未溶解粒子之方法及裝置 |
FI20115999A0 (fi) * | 2011-10-11 | 2011-10-11 | Teknologian Tutkimuskeskus Vtt Oy | Optinen mittaus |
US9020202B2 (en) | 2012-12-08 | 2015-04-28 | Masco Canada Limited | Method for finding distance information from a linear sensor array |
CN103630522A (zh) * | 2013-12-11 | 2014-03-12 | 中国科学院南京地理与湖泊研究所 | 一种有色可溶性有机物三维荧光数据的校正和定标方法 |
CA2934576A1 (fr) | 2013-12-20 | 2015-06-25 | Trojan Technologies | Methode d'epreuve de photoreparation fluorescente pour determiner la viabilite d'organismes dans un liquide aqueux |
US9863881B2 (en) | 2014-01-15 | 2018-01-09 | Purdue Research Foundation | Methods for measuring concentrations of analytes in turbid solutions by applying turbidity corrections to raman observations |
US20150276594A1 (en) | 2014-03-26 | 2015-10-01 | Intellectual Property Transfer, LLC | Method and apparatus for measuring turbidity |
WO2015164274A1 (fr) | 2014-04-21 | 2015-10-29 | Buglab Llc | Capteur de particules avec discrimination d'agents perturbateurs |
WO2016023010A1 (fr) | 2014-08-08 | 2016-02-11 | Quantum-Si Incorporated | Système optique et puce d'analyse pour sonder, détecter, et analyser des molécules |
EP3149453A1 (fr) * | 2014-09-19 | 2017-04-05 | Hach Company | Turbidimètre néphélométrique à éclairage axial et photodétecteur circonférentiel |
US10184892B2 (en) * | 2014-10-29 | 2019-01-22 | Horiba Instruments Incorporated | Determination of water treatment parameters based on absorbance and fluorescence |
WO2016095008A1 (fr) | 2014-12-17 | 2016-06-23 | Total E&P Canada Ltd. | Appareil, systèmes et procédés pour des mesures de teneur en matières solides en temps réel |
US20160178618A1 (en) * | 2014-12-17 | 2016-06-23 | Stc.Unm | 3d tissue model for spatially correlated analysis of biochemical, physiological and metabolic micro-environments |
US10150680B1 (en) * | 2015-01-05 | 2018-12-11 | Sutro Connect Inc. | Water monitoring device and method |
US10088571B2 (en) | 2015-02-17 | 2018-10-02 | Florida Atlantic University Board Of Trustees | Underwater sensing system |
CA2993815C (fr) | 2015-08-03 | 2023-11-21 | Ysi, Inc. | Fluorimetre a excitations multiples et a emissions multiples permettant de surveiller la qualite de l'eau a parametres multiples |
WO2017048846A1 (fr) * | 2015-09-14 | 2017-03-23 | OptikTechnik LLC | Dispositif de détection optique et procédé dans un système de traitement de liquides |
LU92827B1 (en) | 2015-09-14 | 2017-03-20 | Luxembourg Inst Science & Tech List | Method for determining in-situ suspended sediment properties |
CN105318898B (zh) * | 2015-10-21 | 2018-02-09 | 武汉理工大学 | 基于扫频光源的全同弱反射光栅传感网络解调系统及方法 |
KR102273852B1 (ko) * | 2016-03-07 | 2021-07-06 | 와이에스아이 인코포레이티드 | 다변수 수질 측정을 위한 광학 질산염 센서 |
EP3427021B1 (fr) * | 2016-03-09 | 2023-11-22 | YSI Incorporated | Algorithmes de compensation de capteur de nitrate optique pour surveillance de qualité d'eau à paramètres multiples |
AU2017234815B2 (en) * | 2016-03-17 | 2022-11-03 | Becton, Dickinson And Company | Cell sorting using a high throughput fluorescence flow cytometer |
US10365198B2 (en) * | 2016-04-21 | 2019-07-30 | Malvern Panalytical Limited | Particle characterization |
GB2551993B (en) | 2016-07-04 | 2019-09-11 | Process Instruments Uk Ltd | Sensor and measurement method |
CA3037225A1 (fr) * | 2016-09-13 | 2018-03-22 | Basf Coatings Gmbh | Capteur destine a la mesure humide des proprietes de couleur de revetements, pates et pigments |
US10393660B2 (en) * | 2016-11-06 | 2019-08-27 | JianFeng Zhang | Apparatus and method for measuring concentration of materials in liquid or gas |
WO2018089935A1 (fr) | 2016-11-14 | 2018-05-17 | Siemens Healthcare Diagnostics Inc. | Procédés et appareil de caractérisation d'un spécimen utilisant un éclairage de motif |
US10823673B2 (en) * | 2016-11-23 | 2020-11-03 | Ysi, Inc. | Dual function fluorometer-absorbance sensor |
US10036703B1 (en) * | 2017-01-27 | 2018-07-31 | The United States Of America, As Represented By The Secretary Of The Navy | Portable laser biosensor |
EP3370486A1 (fr) * | 2017-03-02 | 2018-09-05 | ASML Netherlands B.V. | Source de radiation |
CN107144506B (zh) | 2017-06-21 | 2023-08-22 | 华南理工大学 | 一种基于环状交织阵列的悬浮物动态监测方法与装置 |
CN110914001B (zh) * | 2017-07-07 | 2022-06-24 | Ysi公司 | 用于现场部署的传感器和仪器的防污配件 |
WO2019033028A1 (fr) * | 2017-08-10 | 2019-02-14 | Advanced Polymer Monitoring Technologies, Inc., Dba/ Fluence Analytics | Dispositifs et procédés de caractérisation et de régulation de biopolymères et de polymères synthétiques pendant la fabrication |
US20190162662A1 (en) | 2017-11-27 | 2019-05-30 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Substrates with independently tunable topographies and chemistries for quantifiable surface-induced cell behavior |
US11612768B2 (en) * | 2018-07-26 | 2023-03-28 | Carnegie Mellon University | In-medium sculpted tunable graded index lenses |
WO2020073016A1 (fr) * | 2018-10-04 | 2020-04-09 | First Light Diagnostics, Inc. | Analyse microbienne sans purification cellulaire |
KR20210075648A (ko) * | 2019-12-13 | 2021-06-23 | 삼성전자주식회사 | 소형 라만 센서 및 생체성분 추정 장치 |
AU2021276375B2 (en) * | 2020-05-20 | 2023-11-02 | Ysi, Inc. | Extended solid angle turbidity sensor |
US20220413166A1 (en) * | 2021-05-18 | 2022-12-29 | Luminated Glazings, Llc | Scattering fields in a medium to redirect wave energy onto surfaces in shadow |
-
2021
- 2021-05-19 AU AU2021276375A patent/AU2021276375B2/en active Active
- 2021-05-19 AU AU2021275061A patent/AU2021275061B2/en active Active
- 2021-05-19 CA CA3178563A patent/CA3178563C/fr active Active
- 2021-05-19 WO PCT/US2021/033090 patent/WO2021236726A1/fr unknown
- 2021-05-19 BR BR112022023420A patent/BR112022023420A2/pt unknown
- 2021-05-19 JP JP2022571165A patent/JP2023527783A/ja active Pending
- 2021-05-19 WO PCT/US2021/033100 patent/WO2021236735A1/fr unknown
- 2021-05-19 EP EP21807774.1A patent/EP4153970A1/fr active Pending
- 2021-05-19 EP EP21809736.8A patent/EP4153972A1/fr active Pending
- 2021-05-19 BR BR112022023418A patent/BR112022023418A2/pt unknown
- 2021-05-19 US US17/324,385 patent/US11860096B2/en active Active
- 2021-05-19 US US17/324,475 patent/US11604143B2/en active Active
- 2021-05-19 KR KR1020227040421A patent/KR20230011951A/ko not_active Application Discontinuation
- 2021-05-19 KR KR1020227040458A patent/KR20230011952A/ko active Search and Examination
- 2021-05-19 US US17/324,423 patent/US20210364433A1/en active Pending
- 2021-05-19 CN CN202180036389.3A patent/CN115667886A/zh active Pending
- 2021-05-19 CN CN202180036421.8A patent/CN115667890B/zh active Active
- 2021-05-19 WO PCT/US2021/033083 patent/WO2021236720A1/fr unknown
- 2021-05-19 CA CA3178570A patent/CA3178570A1/fr active Pending
- 2021-05-19 JP JP2022571196A patent/JP7451767B2/ja active Active
- 2021-05-19 EP EP21808693.2A patent/EP4153971A1/fr active Pending
- 2021-05-19 JP JP2022571189A patent/JP7303397B2/ja active Active
- 2021-05-19 KR KR1020227040549A patent/KR102604781B1/ko active IP Right Grant
- 2021-05-19 CN CN202180036220.8A patent/CN115667889A/zh active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050219526A1 (en) * | 2003-01-17 | 2005-10-06 | Hong Peng | Method and apparatus for monitoring biological substance |
US20090230288A1 (en) * | 2006-11-04 | 2009-09-17 | Leopold Kostal Gmbh & Co. Kg | Method for the operation of a photoelectric sensor array |
US20170241893A1 (en) * | 2016-02-19 | 2017-08-24 | Research Triangle Institute | Devices, systems and methods for detecting particles |
US20180251713A1 (en) * | 2017-03-01 | 2018-09-06 | Fluidion Sas | Field-deployable Multiplexed Sampling and Monitoring Device and Bacterial Contamination Measurement Method |
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8049179B2 (en) | Ultraviolet radiation detector and apparatus for evaluating ultraviolet radiation protection effect | |
JP2020531825A5 (fr) | ||
US7423756B2 (en) | Internally-calibrated, two-detector gas filter correlation radiometry (GFCR) system | |
JP2021043209A5 (fr) | ||
AU2021276375B2 (en) | Extended solid angle turbidity sensor | |
JP6804445B2 (ja) | 吸光度測定装置への蛍光検出機能の統合 | |
US11906629B2 (en) | Method and device for distance measurement | |
CA2228499C (fr) | Appareil de mesure optique des conditions marines | |
WO2016055683A1 (fr) | Spectrophotomètre | |
CN109253991A (zh) | 光学传感器 | |
US20080180678A1 (en) | Two-detector gas filter correlation radiometry (GFCR) system using two-dimensional array detection of defocused image and detected-signal summation | |
US9188528B2 (en) | Sensor for monitoring a medium | |
WO2003027645A9 (fr) | Appareil et procede pour mesurer des matieres optiquement actives | |
WO2018098260A1 (fr) | Fluorimètre-capteur d'absorbance bifonctionnel | |
CA3178549A1 (fr) | Fluorimetre a gradient spatial | |
JP2003315243A (ja) | 粒子径分布測定装置 | |
US9897524B1 (en) | Method and apparatus for measurement of particle characteristics using light scattering and optical imaging | |
CARACCI et al. | Arrayed sensor measurement system and method | |
JPH1047928A (ja) | 光学式外形計測装置 | |
Jumaaha et al. | Study of the Effect of Brightness After Penetration of Light from a Lens | |
JPWO2021236720A5 (fr) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21807774 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 3178563 Country of ref document: CA |
|
ENP | Entry into the national phase |
Ref document number: 2022571196 Country of ref document: JP Kind code of ref document: A |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112022023418 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: 2021276375 Country of ref document: AU Date of ref document: 20210519 Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2021807774 Country of ref document: EP Effective date: 20221220 |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01E Ref document number: 112022023418 Country of ref document: BR Free format text: APRESENTAR, EM ATE 60 (SESSENTA) DIAS, TRADUCAO COMPLETA DO PEDIDO, ADAPTADA A NORMA VIGENTE, CONFORME CONSTA NO DEPOSITO INTERNACIONAL INICIAL, POIS A MESMA NAO FOI APRESENTADA ATE O MOMENTO. |
|
ENP | Entry into the national phase |
Ref document number: 112022023418 Country of ref document: BR Kind code of ref document: A2 Effective date: 20221117 |